预览加载中，请您耐心等待几秒...

多配送中心车辆调度问题的模型及其遗传算法研究.docx

预览
1/4
2/4
3/4
4/4

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

多配送中心车辆调度问题的模型及其遗传算法研究 Abstract Inrecentyears,theproblemofvehicleschedulinginmultipledistributioncentershasreceivedincreasingattentionduetoitssignificantimpactonsupplychainmanagement.Inthispaper,amathematicalmodelforthemultipledistributioncentervehicleschedulingproblemisproposed,andageneticalgorithmisdesignedtosolveit.Theproposedgeneticalgorithmwascomparedwiththetraditionalheuristicalgorithm,andtheresultsshowedthattheproposedalgorithmoutperformedtheheuristicalgorithmintermsofthequalityofthesolutionandthecomputationtime. Introduction Thevehicleschedulingprobleminmultipledistributioncentersisacriticalissueinsupplychainmanagementandhasattractedsignificantattentionfromresearchersinrecentyears.Efficientandeffectivevehicleschedulingcanreducetransportationcosts,improvetheutilizationofresources,andenhancethelevelofcustomerservice.Thevehicleschedulingproblem,whichinvolvesmatchingvehiclestocustomers,hasbeenstudiedusingdifferentmathematicalmodelsandalgorithmictechniques.Asaresult,variousheuristicandmeta-heuristicalgorithmshavebeendevelopedforthisproblem. Inthispaper,weproposeamathematicalmodelforthemultipledistributioncentervehicleschedulingproblemanddesignageneticalgorithmtosolveit.Theproposedgeneticalgorithmiscomparedwiththetraditionalheuristicalgorithm,andtheresultsarepresentedandanalyzed.Theremainderofthepaperisorganizedasfollows;Section2providesaliteraturereviewofthevehicleschedulingproblem,whileSection3proposesthemathematicalmodelandthegeneticalgorithm.Section4presentstheresultsoftheexperimentsandtheanalysisofthecomputationalperformance.Finally,Section5concludesthepaperandsuggestsfutureresearchdirections. LiteratureReview Thevehicleschedulingprobleminmultipledistributioncentershasreceivedconsiderableattentionfromresearchersinrecentyears.Theprobleminvolvesmatchingvehiclestocustomersindifferentdistributioncenterstominimizetransportationcostswhilehonoringtheconstraintsthatariseinthedistributionsystem.TheproblemisknowntobeNP-hard,whichmeansthatitcannotbesolvedusingexactalgor